Loans and Allowances for Credit Losses, Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	$ 4,453,665	$ 3,678,190
Financing Receivable, Originated, Year 2	3,294,886	2,680,781
Financing Receivable, Originated, Year 3	2,107,063	2,305,870
Financing Receivable, Originated, Year 4	1,734,561	1,579,560
Financing Receivable, Originated, Year 5	1,157,972	1,250,651
Financing Receivable, Originated, More Than Five Years	2,992,242	3,124,953
Financing Receivable, Revolving	6,790,248	5,559,595
Financing Receivable, Revolving, Converted to Term Loan	26,513	26,080
Total	22,557,150	20,205,680
Commercial [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	2,655,782	2,115,523
Financing Receivable, Originated, Year 2	1,562,673	1,284,235
Financing Receivable, Originated, Year 3	983,405	1,142,464
Financing Receivable, Originated, Year 4	838,006	995,008
Financing Receivable, Originated, Year 5	779,311	761,286
Financing Receivable, Originated, More Than Five Years	1,657,429	1,725,540
Financing Receivable, Revolving	5,718,433	4,479,513
Financing Receivable, Revolving, Converted to Term Loan	3,148	2,896
Total	14,198,187	12,506,465
Commercial [Member] | Healthcare [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	932,097	570,635
Financing Receivable, Originated, Year 2	604,886	589,193
Financing Receivable, Originated, Year 3	476,854	559,276
Financing Receivable, Originated, Year 4	450,755	506,083
Financing Receivable, Originated, Year 5	471,362	330,231
Financing Receivable, Originated, More Than Five Years	659,507	698,828
Financing Receivable, Revolving	249,536	160,668
Financing Receivable, Revolving, Converted to Term Loan	20	26
Total	3,845,017	3,414,940
Commercial [Member] | Energy [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	157,745	263,341
Financing Receivable, Originated, Year 2	76,951	73,425
Financing Receivable, Originated, Year 3	30,284	17,099
Financing Receivable, Originated, Year 4	13,447	14,362
Financing Receivable, Originated, Year 5	6,377	4,741
Financing Receivable, Originated, More Than Five Years	5,822	8,195
Financing Receivable, Revolving	3,134,164	2,625,721
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	3,424,790	3,006,884
Commercial [Member] | Services [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	822,287	696,626
Financing Receivable, Originated, Year 2	507,219	405,992
Financing Receivable, Originated, Year 3	287,523	295,371
Financing Receivable, Originated, Year 4	196,711	287,001
Financing Receivable, Originated, Year 5	157,673	244,397
Financing Receivable, Originated, More Than Five Years	702,823	799,961
Financing Receivable, Revolving	756,524	637,278
Financing Receivable, Revolving, Converted to Term Loan	761	567
Total	3,431,521	3,367,193
Commercial [Member] | General business [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	743,653	584,921
Financing Receivable, Originated, Year 2	373,617	215,625
Financing Receivable, Originated, Year 3	188,744	270,718
Financing Receivable, Originated, Year 4	177,093	187,562
Financing Receivable, Originated, Year 5	143,899	181,917
Financing Receivable, Originated, More Than Five Years	289,277	218,556
Financing Receivable, Revolving	1,578,209	1,055,846
Financing Receivable, Revolving, Converted to Term Loan	2,367	2,303
Total	3,496,859	2,717,448
Commercial real estate [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	1,188,483	717,400
Financing Receivable, Originated, Year 2	1,158,002	711,231
Financing Receivable, Originated, Year 3	552,616	879,359
Financing Receivable, Originated, Year 4	648,561	423,127
Financing Receivable, Originated, Year 5	247,625	294,436
Financing Receivable, Originated, More Than Five Years	649,874	687,894
Financing Receivable, Revolving	161,616	117,847
Financing Receivable, Revolving, Converted to Term Loan	0	31
Total	4,606,777	3,831,325
Paycheck Protection Program
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	237,357
Financing Receivable, Originated, Year 2	3,456	38,984
Financing Receivable, Originated, Year 3	10,856	0
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	14,312	276,341
Loans to individuals [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	609,400	607,910
Financing Receivable, Originated, Year 2	570,755	646,331
Financing Receivable, Originated, Year 3	560,186	284,047
Financing Receivable, Originated, Year 4	247,994	161,425
Financing Receivable, Originated, Year 5	131,036	194,929
Financing Receivable, Originated, More Than Five Years	684,939	711,519
Financing Receivable, Revolving	910,199	962,235
Financing Receivable, Revolving, Converted to Term Loan	23,365	23,153
Total	3,737,874	3,591,549
Loans to individuals [Member] | Residential mortgage [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	354,529	387,706
Financing Receivable, Originated, Year 2	374,927	454,346
Financing Receivable, Originated, Year 3	395,948	84,540
Financing Receivable, Originated, Year 4	63,504	62,358
Financing Receivable, Originated, Year 5	42,571	68,925
Financing Receivable, Originated, More Than Five Years	281,290	318,373
Financing Receivable, Revolving	354,986	323,497
Financing Receivable, Revolving, Converted to Term Loan	23,029	22,425
Total	1,890,784	1,722,170
Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	289	699
Financing Receivable, Originated, Year 2	2,254	11,380
Financing Receivable, Originated, Year 3	9,299	21,909
Financing Receivable, Originated, Year 4	12,182	28,791
Financing Receivable, Originated, Year 5	19,563	33,377
Financing Receivable, Originated, More Than Five Years	202,353	258,017
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	245,940	354,173
Loans to individuals [Member] | Personal [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	254,582	219,505
Financing Receivable, Originated, Year 2	193,574	180,605
Financing Receivable, Originated, Year 3	154,939	177,598
Financing Receivable, Originated, Year 4	172,308	70,276
Financing Receivable, Originated, Year 5	68,902	92,627
Financing Receivable, Originated, More Than Five Years	201,296	135,129
Financing Receivable, Revolving	555,213	638,738
Financing Receivable, Revolving, Converted to Term Loan	336	728
Total	1,601,150	1,515,206
Performing [Member] | Commercial [Member] | Healthcare [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	932,097	563,800
Financing Receivable, Originated, Year 2	604,886	589,193
Financing Receivable, Originated, Year 3	476,854	516,558
Financing Receivable, Originated, Year 4	404,204	498,998
Financing Receivable, Originated, Year 5	464,989	319,096
Financing Receivable, Originated, More Than Five Years	618,163	688,136
Financing Receivable, Revolving	245,898	160,154
Financing Receivable, Revolving, Converted to Term Loan	20	26
Total	3,747,111	3,335,961
Performing [Member] | Commercial [Member] | Healthcare [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	6,835
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	0	15,583
Financing Receivable, Originated, Year 4	20,071	0
Financing Receivable, Originated, Year 5	0	11,135
Financing Receivable, Originated, More Than Five Years	18,859	0
Financing Receivable, Revolving	4	5
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	38,934	33,558
Performing [Member] | Commercial [Member] | Healthcare [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	0	27,135
Financing Receivable, Originated, Year 4	0	543
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	14,304	1,981
Financing Receivable, Revolving	3,634	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	17,938	29,659
Performing [Member] | Commercial [Member] | Energy [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	157,745	252,133
Financing Receivable, Originated, Year 2	76,951	29,556
Financing Receivable, Originated, Year 3	30,284	15,914
Financing Receivable, Originated, Year 4	12,783	13,548
Financing Receivable, Originated, Year 5	5,992	4,741
Financing Receivable, Originated, More Than Five Years	4,980	6,765
Financing Receivable, Revolving	3,104,906	2,540,525
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	3,393,641	2,863,182
Performing [Member] | Commercial [Member] | Energy [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One		558
Financing Receivable, Originated, Year 2		771
Financing Receivable, Originated, Year 3		0
Financing Receivable, Originated, Year 4		0
Financing Receivable, Originated, Year 5		0
Financing Receivable, Originated, More Than Five Years		0
Financing Receivable, Revolving		750
Financing Receivable, Revolving, Converted to Term Loan		0
Total		2,079
Performing [Member] | Commercial [Member] | Energy [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	10,650
Financing Receivable, Originated, Year 2	0	22,611
Financing Receivable, Originated, Year 3	0	1,185
Financing Receivable, Originated, Year 4	664	814
Financing Receivable, Originated, Year 5	385	0
Financing Receivable, Originated, More Than Five Years	683	716
Financing Receivable, Revolving	28,018	74,556
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	29,750	110,532
Performing [Member] | Commercial [Member] | Services [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	821,785	696,149
Financing Receivable, Originated, Year 2	496,510	405,057
Financing Receivable, Originated, Year 3	286,085	289,375
Financing Receivable, Originated, Year 4	193,481	275,010
Financing Receivable, Originated, Year 5	156,736	225,404
Financing Receivable, Originated, More Than Five Years	696,300	795,029
Financing Receivable, Revolving	722,371	607,958
Financing Receivable, Revolving, Converted to Term Loan	639	375
Total	3,373,907	3,294,357
Performing [Member] | Commercial [Member] | Services [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	502	434
Financing Receivable, Originated, Year 2	5,139	405
Financing Receivable, Originated, Year 3	989	1,830
Financing Receivable, Originated, Year 4	771	1,047
Financing Receivable, Originated, Year 5	894	3,290
Financing Receivable, Originated, More Than Five Years	1,345	47
Financing Receivable, Revolving	8,668	17,210
Financing Receivable, Revolving, Converted to Term Loan	0	192
Total	18,308	24,455
Performing [Member] | Commercial [Member] | Services [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	43
Financing Receivable, Originated, Year 2	0	530
Financing Receivable, Originated, Year 3	0	4,166
Financing Receivable, Originated, Year 4	2,459	10,714
Financing Receivable, Originated, Year 5	43	1,785
Financing Receivable, Originated, More Than Five Years	2,789	2,366
Financing Receivable, Revolving	17,665	11,607
Financing Receivable, Revolving, Converted to Term Loan	122	0
Total	23,078	31,211
Performing [Member] | Commercial [Member] | General business [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	725,894	584,438
Financing Receivable, Originated, Year 2	358,383	211,892
Financing Receivable, Originated, Year 3	187,418	264,462
Financing Receivable, Originated, Year 4	172,878	177,384
Financing Receivable, Originated, Year 5	139,140	168,977
Financing Receivable, Originated, More Than Five Years	283,694	215,014
Financing Receivable, Revolving	1,570,536	1,047,420
Financing Receivable, Revolving, Converted to Term Loan	2,329	2,284
Total	3,440,272	2,671,871
Performing [Member] | Commercial [Member] | General business [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	17,759	218
Financing Receivable, Originated, Year 2	13,065	223
Financing Receivable, Originated, Year 3	208	60
Financing Receivable, Originated, Year 4	71	1,435
Financing Receivable, Originated, Year 5	7	3,842
Financing Receivable, Originated, More Than Five Years	2,291	0
Financing Receivable, Revolving	7,094	5,875
Financing Receivable, Revolving, Converted to Term Loan	26	0
Total	40,521	11,653
Performing [Member] | Commercial [Member] | General business [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	265
Financing Receivable, Originated, Year 2	2,169	1,066
Financing Receivable, Originated, Year 3	66	1,634
Financing Receivable, Originated, Year 4	4,130	7,697
Financing Receivable, Originated, Year 5	4,680	8,336
Financing Receivable, Originated, More Than Five Years	3,287	3,024
Financing Receivable, Revolving	94	1,821
Financing Receivable, Revolving, Converted to Term Loan	4	0
Total	14,430	23,843
Performing [Member] | Commercial real estate [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	1,188,483	717,400
Financing Receivable, Originated, Year 2	1,158,002	711,231
Financing Receivable, Originated, Year 3	552,616	871,283
Financing Receivable, Originated, Year 4	641,102	403,115
Financing Receivable, Originated, Year 5	247,625	279,058
Financing Receivable, Originated, More Than Five Years	633,304	664,684
Financing Receivable, Revolving	161,616	117,847
Financing Receivable, Revolving, Converted to Term Loan	0	31
Total	4,582,748	3,764,649
Performing [Member] | Commercial real estate [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One		0
Financing Receivable, Originated, Year 2		0
Financing Receivable, Originated, Year 3		0
Financing Receivable, Originated, Year 4		6,660
Financing Receivable, Originated, Year 5		10,898
Financing Receivable, Originated, More Than Five Years		9,244
Financing Receivable, Revolving		0
Financing Receivable, Revolving, Converted to Term Loan		0
Total		26,802
Performing [Member] | Commercial real estate [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	0	0
Financing Receivable, Originated, Year 4	7,459	13,352
Financing Receivable, Originated, Year 5	0	4,480
Financing Receivable, Originated, More Than Five Years	0	7,780
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	7,459	25,612
Performing [Member] | Paycheck Protection Program | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	237,357
Financing Receivable, Originated, Year 2	3,456	38,984
Financing Receivable, Originated, Year 3	10,856	0
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	14,312	276,341
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	354,497	386,092
Financing Receivable, Originated, Year 2	373,190	452,537
Financing Receivable, Originated, Year 3	393,002	84,001
Financing Receivable, Originated, Year 4	63,142	60,390
Financing Receivable, Originated, Year 5	40,525	68,150
Financing Receivable, Originated, More Than Five Years	260,625	295,632
Financing Receivable, Revolving	352,126	320,638
Financing Receivable, Revolving, Converted to Term Loan	22,176	21,463
Total	1,859,283	1,688,903
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	81	0
Financing Receivable, Originated, Year 3	42	156
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	142	19
Financing Receivable, Originated, More Than Five Years	388	411
Financing Receivable, Revolving	527	282
Financing Receivable, Revolving, Converted to Term Loan	87	159
Total	1,267	1,027
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	98
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	187	0
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	0	127
Financing Receivable, Originated, More Than Five Years	138	41
Financing Receivable, Revolving	117	400
Financing Receivable, Revolving, Converted to Term Loan	1	0
Total	443	666
Performing [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	289	699
Financing Receivable, Originated, Year 2	2,254	11,380
Financing Receivable, Originated, Year 3	9,000	20,650
Financing Receivable, Originated, Year 4	10,722	27,970
Financing Receivable, Originated, Year 5	17,244	32,742
Financing Receivable, Originated, More Than Five Years	191,426	246,871
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	230,935	340,312
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	254,497	218,960
Financing Receivable, Originated, Year 2	193,095	180,577
Financing Receivable, Originated, Year 3	154,887	177,389
Financing Receivable, Originated, Year 4	172,114	70,249
Financing Receivable, Originated, Year 5	68,871	92,592
Financing Receivable, Originated, More Than Five Years	201,278	135,041
Financing Receivable, Revolving	549,187	638,713
Financing Receivable, Revolving, Converted to Term Loan	332	728
Total	1,594,261	1,514,249
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	47	0
Financing Receivable, Originated, Year 2	28	9
Financing Receivable, Originated, Year 3	40	34
Financing Receivable, Originated, Year 4	12	3
Financing Receivable, Originated, Year 5	17	0
Financing Receivable, Originated, More Than Five Years	0	47
Financing Receivable, Revolving	6,003	0
Financing Receivable, Revolving, Converted to Term Loan	4	0
Total	6,151	93
Performing [Member] | Loans to individuals [Member] | Personal [Member] | Accruing Substandard [Member]
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	435
Financing Receivable, Originated, Year 2	444	5
Financing Receivable, Originated, Year 3	0	165
Financing Receivable, Originated, Year 4	160	0
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	0	1
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	604	606
Nonaccrual [Member] | Commercial [Member] | Healthcare [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	0	0
Financing Receivable, Originated, Year 4	26,480	6,542
Financing Receivable, Originated, Year 5	6,373	0
Financing Receivable, Originated, More Than Five Years	8,181	8,711
Financing Receivable, Revolving	0	509
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	41,034	15,762
Nonaccrual [Member] | Commercial [Member] | Energy [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	20,487
Financing Receivable, Originated, Year 3	0	0
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	159	714
Financing Receivable, Revolving	1,240	9,890
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	1,399	31,091
Nonaccrual [Member] | Commercial [Member] | Services [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	5,570	0
Financing Receivable, Originated, Year 3	449	0
Financing Receivable, Originated, Year 4	0	230
Financing Receivable, Originated, Year 5	0	13,918
Financing Receivable, Originated, More Than Five Years	2,389	2,519
Financing Receivable, Revolving	7,820	503
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	16,228	17,170
Nonaccrual [Member] | Commercial [Member] | General business [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	2,444
Financing Receivable, Originated, Year 3	1,052	4,562
Financing Receivable, Originated, Year 4	14	1,046
Financing Receivable, Originated, Year 5	72	762
Financing Receivable, Originated, More Than Five Years	5	518
Financing Receivable, Revolving	485	730
Financing Receivable, Revolving, Converted to Term Loan	8	19
Total	1,636	10,081
Nonaccrual [Member] | Commercial real estate [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	0	8,076
Financing Receivable, Originated, Year 4	0	0
Financing Receivable, Originated, Year 5	0	0
Financing Receivable, Originated, More Than Five Years	16,570	6,186
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	16,570	14,262
Nonaccrual [Member] | Loans to individuals [Member] | Residential mortgage [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	32	1,516
Financing Receivable, Originated, Year 2	1,656	1,809
Financing Receivable, Originated, Year 3	2,717	383
Financing Receivable, Originated, Year 4	362	1,968
Financing Receivable, Originated, Year 5	1,904	629
Financing Receivable, Originated, More Than Five Years	20,139	22,289
Financing Receivable, Revolving	2,216	2,177
Financing Receivable, Revolving, Converted to Term Loan	765	803
Total	29,791	31,574
Nonaccrual [Member] | Loans to individuals [Member] | Residential mortgage [Member] | US Government Agency Insured Loans | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	0	0
Financing Receivable, Originated, Year 2	0	0
Financing Receivable, Originated, Year 3	299	1,259
Financing Receivable, Originated, Year 4	1,460	821
Financing Receivable, Originated, Year 5	2,319	635
Financing Receivable, Originated, More Than Five Years	10,927	11,146
Financing Receivable, Revolving	0	0
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	15,005	13,861
Nonaccrual [Member] | Loans to individuals [Member] | Personal [Member] | Nonaccrual
Financing Receivable, Credit Quality Indicator Line Items [Abstract]
Financing Receivable, Originated, Year One	38	110
Financing Receivable, Originated, Year 2	7	14
Financing Receivable, Originated, Year 3	12	10
Financing Receivable, Originated, Year 4	22	24
Financing Receivable, Originated, Year 5	14	35
Financing Receivable, Originated, More Than Five Years	18	40
Financing Receivable, Revolving	23	25
Financing Receivable, Revolving, Converted to Term Loan	0	0
Total	$ 134	$ 258